Programs Freezing When "Save As" Windows Appears

Sorry if I'm annoying you with all of these questions. I think your tutorial explains things well but I just want to take baby steps to make sure this is done correctly.

If my OS is Windows 7 Home Premium 64-bit, is this what I should download?
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My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Alienware x51
OS
Windows 7 Home Premium 64bit
CPU
Intel(R) Core(TM) i5-2320 CPU @ 3.00GHz
Motherboard
Alienware 08PG26
Memory
8.00 GB
Graphics Card(s)
(1) Intel(R) HD Graphics (2) NVIDIA GeForce GT 545
Sound Card
NVIDIA High Definition Audio
Screen Resolution
1360x768
Hard Drives
ST31000524AS ATA Device
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